On Wed, Apr 26, 2006 at 03:24:19PM -0500, Bruno Wolff III wrote: > On Wed, Apr 26, 2006 at 21:33:32 +0200, > Holger Zwingmann <holger.zwingmann@xxxxxxxxxxxxxxx> wrote: > > Hi, > > > > I just realized that is is possible to do a (backup) copy of a database > > by copying the "root folder" within the same OS. > > There are some other conditions as well. Postgres needs to be shut down when > you do the copy. The CPU needs to be the same architecture. Postgres should > be built with the same options (some data representations are controlled by > config options). Potentially different compilers (used to build Postgres on > the two systems) could cause problems as well (by changing structure layouts). And make sure you test thoroughly... there are built-in checks to detect any incompatabilities, but most people don't try stuff like this so there could be cases that aren't covered. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
